Iron stir-fry pot that can be cooked at high temperature over high heat. Weight reduction by spin processing that gradually thins toward the edge! It is hard to rust due to nitriding. Nitriding: Adopts nitriding, which is used to prevent rust on aircraft and automobile parts. It is less rusty and more resistant to friction than before. Strength is improved by hammering. Compatible with all heat sources. Caution: Please do not use the soaking wash or dish washer / dryer.